From f6b8e0eae4374f339487a33e3e4fe5462d5816e1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 25 Nov 2017 10:16:00 +0100 Subject: New upstream version 2.0.0 --- doc/fakeread.html | 57 ++++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 48 insertions(+), 9 deletions(-) mode change 100644 => 100755 doc/fakeread.html (limited to 'doc/fakeread.html') diff --git a/doc/fakeread.html b/doc/fakeread.html old mode 100644 new mode 100755 index e8c353e..0caa1c5 --- a/doc/fakeread.html +++ b/doc/fakeread.html @@ -37,6 +37,8 @@ + + inoutfile
 -v @@ -50,42 +52,56 @@ + + normal 0..1 full range RGB levels (default)
     t              + + (16-235)/255 "TV" RGB levels
     6              + + Rec601 YCbCr SD (16-235,240)/255 "TV" levels
     7              + + Rec709 1125/60Hz YCbCr HD (16-235,240)/255 "TV" levels
     5              + + Rec709 1250/50Hz YCbCr HD (16-235,240)/255 "TV" levels
     2              + + Rec2020 YCbCr UHD (16-235,240)/255 "TV" levels
     C              + + Rec2020 Constant Luminance YCbCr UHD (16-235,240)/255 "TV" levels
 -p separation.icm Use device link separation @@ -100,6 +116,8 @@ + + Apply calibration (include in .ti3 output)
 -i file.cal       Include calibration in .ti3 output, but don't apply it
@@ -131,11 +149,15 @@ + + Output Lab rather than XYZ
 -s                + + Lookup MPP spectral values
@@ -148,11 +170,16 @@ + + Make random deviations have uniform distributions rather than normal
 -S seed           Set random seed
+  -U                + + Reverse convert PCS to device, output_r.ti3
 profile.[icm|mpp|ti3]     .ti1]/output[.ti1]/output[.ti3] file

@@ -225,6 +256,8 @@ + + -e for the list of decodings. Setting a video encoding for output will also set quantization of 8 bits (see -Z flag below). If your video connection is better than 8 bits (ie. @@ -239,13 +272,12 @@ quantization to be specified. The parameter is the number of binary digits (bits) that the device values should be quantized to. An idea of the number of bits of precision that makes its way to your - display can be obtained by using dispcal -R If - Video encoding is selected (see -E flag above), then 8 bits is - selected by default. On systems using an VGA connection or Display - Port with a graphics card with VideoLUT entries with greater than 8 - bits depth, or if using the MadVR rendered with dithering, then a - higher bit depth is typically possible.
+ display can be obtained by using dispcal + -R If Video encoding is selected (see -E flag above), then 8 + bits is selected by default. On systems using an VGA connection or + Display Port with a graphics card with VideoLUT entries with greater + than 8 bits depth, or if using the MadVR rendered with dithering, + then a higher bit depth is typically possible.

The -k file.cal parameter specifies a calibration file created by printcal or @@ -351,6 +383,10 @@ random offsets, so that the randomness can be made repeatable. Normally a different seed will be used for each run.

+ The -U flag causes fakeread to read inoutfile.ti3 + and use a backwards lookup (CIE to device conversion), saving the + result in inoutfile_r.ti3.
+
Fakeread is useful in creating artificial test value for testing colprof, as well as providing one path for turning an MPP profile into an ICC profile. It can also be used to @@ -387,6 +423,9 @@ then this will be applied to the .ti1 device values, before converting the the device values into .ti3 PCS values.

+ Note that a .ti3 file can be renamed to be .ti1 and fakeread will + treat it as if it was a .ti1.
+



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